Dr. Ryan Christopher Horst, MD
- Medicare services, 2021
- 57
- Part D claims, 2021
- 1,177
- Hospital affiliations
- 1
- Industry payments
- $7,144
- Medical groups
- 2
- Practice address
- 2100 Napa Vallejo Highway, Napa, CA 94558
- Practice phone
- Call (707) 253-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Horst's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ryan Christopher Horst is a psychiatrist in Napa, California
Dr. Horst practices at Department of State Hospitals - Napa in Napa, California, part of State of California.
Dr. Horst's NPI, 1215005012, was assigned on December 1, 2006. Dr. Horst graduated from Penn State College of Medicine in 1999. Dr. Horst holds California license A76629.
- NPI
- 1215005012NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870545551
- NPI enumeration date
- December 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 253-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Christopher Horst practices at Department of State Hospitals - Napa in Napa, California
Dr. Horst's primary practice is Department of State Hospitals - Napa, at 2100 Napa Vallejo Highway, Napa, CA 94558 in Napa County. The practice phone is (707) 253-5000.
- Department of State Hospitals - Napa2100 Napa Vallejo Highway, Napa, CA 94558 · Napa CountyPhone(707) 253-5000
Source: Dmand AI Affiliation Data
Dr. Ryan Christopher Horst is affiliated with 2 sites of care and 2 medical groups
Dr. Horst's primary practice is Department of State Hospitals - Napa in Napa, California, part of State of California. The medical group on file is Coalinga State Hospital. Dmand AI also links Dr. Horst to 1 more skilled nursing facility and 1 medical group, each named with a free account. Dr. Horst's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Christopher Horst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horst practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Department of State Hospitals - Napa | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Christopher Horst is one of 6,803 psychiatrists in California
Psychiatry is Dr. Horst's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Horst is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Horst is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists schizophrenia among the conditions Dr. Horst treats.
Psychiatrists near Dr. Horst
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryan Christopher Horst billed Medicare for 57 services in 2021
CMS data shows 57 Medicare services from Dr. Horst across 1 procedure code in 2021. Medicare paid $5,713 for them. Every service was in an office.
Dr. Horst's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 362021: 5758%
Dr. Horst compared with the California median for psychiatrists, 2021
- Dr. Horst
- California median
- Medicare services
- 57vs 11952% below
- Part D claims
- 1,177vs 1448.2 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Horst's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Horst?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horst and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Christopher Horst's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Horst's median patient age at 52, with 50% women.
Dr. Horst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Ryan Christopher Horst wrote 1,177 Medicare Part D claims in 2021
In 2021, Dr. Horst wrote 1,177 Medicare Part D claims. They cover 26 drugs, with $159,580 in total drug cost. In 2020, CMS named 1,409 claims across 30 drugs.
Dr. Horst's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1,4092021: 1,17716%
Drugs named by CMS: 26 in 2021, 30 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Ryan Christopher Horst takes part in Medicare
Dr. Horst accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ryan Christopher Horst received $7,144 in industry payments from 2016 to 2019
CMS Open Payments shows 380 general payments to Dr. Horst from 10 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $1,877.
General payments to Dr. Horst by program year, 2016 to 2019
General payments to Dr. Horst by kind, 2016 to 2019
- Food and beverage$7,128100%
- Education$160%
Companies that paid Dr. Horst the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Christopher Horst graduated from Penn State College of Medicine
Dr. Horst graduated from Penn State College of Medicine in 1999.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Ryan Christopher Horst accepts plans from 1 insurance carrier
Dr. Horst is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan Christopher Horst's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ryan Christopher Horst
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryan Christopher Horst's NPI number?
Dr. Ryan Christopher Horst's NPI number is 1215005012. It was assigned on December 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Christopher Horst?
Dr. Ryan Christopher Horst is a psychiatrist in Napa, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ryan Christopher Horst practice?
Dr. Horst practices at 2100 Napa Vallejo Highway, Napa, CA 94558. Dr. Horst's primary practice is Department of State Hospitals - Napa in Napa, California, part of State of California. Dmand AI also links Dr. Horst to 1 skilled nursing facility and 1 medical group.
What is Dr. Ryan Christopher Horst's office phone number?
The practice phone on file for Dr. Horst is (707) 253-5000.
What is Dr. Ryan Christopher Horst's medical license number?
Dr. Horst holds California license A76629.
Which hospitals is Dr. Ryan Christopher Horst affiliated with?
Dr. Horst practices at Department of State Hospitals - Napa in Napa, California.
What medical group is Dr. Ryan Christopher Horst part of?
Dr. Horst is linked to Coalinga State Hospital. Dmand AI links Dr. Horst to 1 more medical group.
Does Dr. Ryan Christopher Horst accept Medicare?
Yes. CMS data shows Dr. Horst billed Medicare for 57 services in 2021, and Dr. Horst accepts Medicare assignment.
Is Dr. Ryan Christopher Horst board certified?
Yes. Dr. Horst is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Ryan Christopher Horst bill to Medicare?
In 2021, Dr. Horst's most billed Medicare services were care management and other visits (99443).
Show 5 more questionsShow fewer questions
Where did Dr. Ryan Christopher Horst go to medical school?
Dr. Horst graduated from Penn State College of Medicine in 1999.
What drugs does Dr. Ryan Christopher Horst prescribe most?
In 2021 Medicare Part D data, Dr. Horst's most prescribed drugs by claims were Hydroxyzine HCl, Mirtazapine and Haloperidol.
Has Dr. Ryan Christopher Horst received payments from drug or device companies?
CMS Open Payments shows $7,144 in general payments to Dr. Horst from 10 companies from 2016 to 2019. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Ryan Christopher Horst been practicing?
Dr. Horst graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Ryan Christopher Horst accept?
Dr. Horst is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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